Finding the Fourth Proportional to 784,618.29, 1,176,752.30 and 363,839.49
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Solution
The fourth proportional to 784,618.29, 1,176,752.30 and 363,839.49 is: 545,678.02
Step by Step Solution
- Step 1: Write the proportion equation
784,618.29 : 1,176,752.30 = 363,839.49 : x - Step 2: Convert to fraction form
784,618.29/1,176,752.30 = 363,839.49/x - Step 3: Cross multiply
784,618.29x = 1,176,752.30 × 363,839.49 - Step 4: Simplify right side
784,618.29x = 428,148,954,869.13 - Step 5: Solve for x
x = 428,148,954,869.13/784,618.29 - Step 6: Final answer
x = 545,678.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.